/*
 * @Description: 
 * @Author: rendc
 * @Date: 2025-08-07 09:57:30
 * @LastEditors: rendc
 * @LastEditTime: 2025-08-07 10:02:20
 */

public class Test02 {

  public static void test1(int a) {

  }

  public static void test2(Integer a) {

  }

  public static void test3(long a) {

  }

  public static void test4(Long a) {

  }

  public static void main(String[] args) {
    test1(1);
    test2(1);
    test3(1);
    // 包装器类型不支持隐式类型转换
    // Long a = 1;
    // test4(1);
    // Long a = 1L; 1L long 值 自动装箱给 Long
    test4(1L);
  }
}